disableling foreign key previeqw fields

front/app/src/common/crud/types/foreignkey.type.ts

@@ -202,6 +202,9 @@ export class ForeignkeyTypeComponent extends FieldType<FieldTypeConfig> implemen
                 if (this.displayedFields.indexOf(f.key) == -1) {
                     // @ts-ignore
                     delete form["fieldGroup"]![i]
+                } else {
+                    // @ts-ignore
+                    form["fieldGroup"]![i].props.disabled = true
                 }
             }
             delete form.props